Leave the first 4 and last 4 digits in the comments below (never share the full key), and I’ll help you identify which software version it belongs to. Disclaimer: SmartView is a trademark of various display manufacturers. This post is for educational troubleshooting purposes.
Some older SmartView licenses require uppercase letters. Try typing A-F instead of a-f . Smartview Activation Serial Number
Most SmartView licenses are locked to the MAC address of the first device you activate on. If you got a new TV or reinstalled Windows on a new PC, the old key may not work. You may need to "Deactivate" the license from the old device first. Leave the first 4 and last 4 digits